#
# Copyright (c) 2011, EPFL (Ecole Politechnique Federale de Lausanne)
# All rights reserved.
#
# Created by Marco Canini, Daniele Venzano, Dejan Kostic, Jennifer Rexford
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
#   -  Redistributions of source code must retain the above copyright notice,
#      this list of conditions and the following disclaimer.
#   -  Redistributions in binary form must reproduce the above copyright notice,
#      this list of conditions and the following disclaimer in the documentation
#      and/or other materials provided with the distribution.
#   -  Neither the names of the contributors, nor their associated universities or
#      organizations may be used to endorse or promote products derived from this
#      software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
# SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#

class Port:
	def __init__(self, name):
		self.name = name
		self.in_buffer = []
		self.peer = None
		self.peer_port = None

	def queueIn(self, packet):
		self.in_buffer.append(packet)

	def __repr__(self):
		s = str(self.name) + ": " + str(self.peer) + "(" + str(self.peer_port) + ")"
		for p in self.in_buffer:
			s += "\n  " + str(p) + "\n"
		return s

	def __getstate__(self):
		filtered_dict = {}
		for k in self.__dict__:
			if k == "in_buffer":
				filtered_dict[k] = self.__dict__[k]
		return filtered_dict

